Sexo contra sexo (1983)

The engineer José Luis, husband of the fichera and dancer Estrella Raleigh, dies in a plane crash. During the burial, Estrella discovers that her husband had another woman with whom he had a love relationship. However, the two women have been deceived since they are both married by the civilian to the same man. This they discover during the reading of the will, when they listen to a tape recorded by the now deceased José Luis, in which he explains the reasons for his infedility, simply due to his condition as a womanizing male.